code: def test_ray_tabular_client():
      from ray.util.client.ray_client_helpers import (
          ray_start_client_server,
      )
  
      with ray_start_2_cpus():
          assert not ray.util.client.ray.is_connected()
          with ray_start_client_server():
              assert ray.util.client.ray.is_connected()
  
              test_ray_tabular()
  
file_path: ray/python/ray/tests/ludwig/test_ludwig.py
imports: import contextlib
  import os
  import tempfile
  import pytest
  import ray
label_desc: Use image node_id 5 for calling a global function with example usage: test_ray_tabular_client() without return types